Drop detector



FIG. 1 is a top perspective view of a drop detector, in an operative ortube clamping position, embodying our new design with the fragmentaryportion of a tube shown in broken lines for illustrative purposes only,

FIG. 2 is a top perspective view of the drop detector, in its normal ornonoperative position,

FIG. 3 is a top plan view thereof,

FIG. 4 is a front end view thereof,

FIG. 5 is a back end view thereof,

FIG. 6 is a side view thereof, and

FIG. 7 is an opposite side view thereof.

The ornamental design for a drop detector, substantially as shown anddescribed.